/*
 * Licensed to GraphHopper GmbH under one or more contributor
 * license agreements. See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 *
 * GraphHopper GmbH licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.graphhopper.jsprit.core.algorithm.state;

import com.graphhopper.jsprit.core.problem.Location;
import com.graphhopper.jsprit.core.problem.VehicleRoutingProblem;
import com.graphhopper.jsprit.core.problem.job.Delivery;
import com.graphhopper.jsprit.core.problem.job.Pickup;
import com.graphhopper.jsprit.core.problem.job.Shipment;
import com.graphhopper.jsprit.core.problem.solution.route.VehicleRoute;
import com.graphhopper.jsprit.core.problem.solution.route.activity.PickupActivity;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity;
import com.graphhopper.jsprit.core.problem.vehicle.Vehicle;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleImpl;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleType;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleTypeImpl;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import java.util.Arrays;
import java.util.Collection;

/**
 * Created by schroeder on 15/09/16.
 */
@DisplayName("Update Max Time In Vehicle Test")
class UpdateMaxTimeInVehicleTest {

    private VehicleRoute route;

    private VehicleRoute route2;

    private VehicleImpl vehicle;

    private VehicleImpl v;

    private VehicleImpl vehicle2;

    private VehicleRoutingProblem vrp;

    private com.graphhopper.jsprit.core.algorithm.state.UpdateMaxTimeInVehicle maxTimeInVehicleConstraint;

    private StateManager stateManager;

    private StateId minSlackId;

    private StateId openJobsId;

    @BeforeEach
    void doBefore() {
        VehicleType type = VehicleTypeImpl.Builder.newInstance("t").build();
        v = VehicleImpl.Builder.newInstance("v0").setStartLocation(Location.newInstance(0, 0)).setType(type).build();
        vehicle = VehicleImpl.Builder.newInstance("v").setStartLocation(Location.newInstance(0, 0)).setEndLocation(Location.newInstance(0, 50)).setType(type).build();
        vehicle2 = VehicleImpl.Builder.newInstance("v2").setStartLocation(Location.newInstance(0, 10)).setEndLocation(Location.newInstance(0, 40)).setType(type).build();
        Pickup service = Pickup.Builder.newInstance("s").setLocation(Location.newInstance(0, 10)).build();
        Pickup service2 = Pickup.Builder.newInstance("s2").setLocation(Location.newInstance(0, 20)).build();
        Pickup service3 = Pickup.Builder.newInstance("s3").setLocation(Location.newInstance(0, 30)).build();
        Pickup service4 = Pickup.Builder.newInstance("s4").setLocation(Location.newInstance(0, 40)).build();
        Delivery d1 = Delivery.Builder.newInstance("d1").setLocation(Location.newInstance(10, 0)).build();
        Shipment shipment = Shipment.Builder.newInstance("shipment").setPickupLocation(Location.newInstance(20, 0)).setDeliveryLocation(Location.newInstance(40, 0)).setMaxTimeInVehicle(20d).build();
        Delivery d2 = Delivery.Builder.newInstance("d2").setLocation(Location.newInstance(30, 0)).setServiceTime(10).build();
        vrp = VehicleRoutingProblem.Builder.newInstance().addVehicle(v).addVehicle(vehicle).addVehicle(vehicle2).addJob(service).addJob(service2).addJob(service3).addJob(service4).addJob(d1).addJob(shipment).addJob(d2).build();
        route = VehicleRoute.Builder.newInstance(vehicle).setJobActivityFactory(vrp.getJobActivityFactory()).addService(service).addService(service2).addService(service3).addService(service4).build();
        route2 = VehicleRoute.Builder.newInstance(v).setJobActivityFactory(vrp.getJobActivityFactory()).addDelivery(d1).addPickup(shipment).addDelivery(shipment).build();
        stateManager = new StateManager(vrp);
        stateManager.addStateUpdater(new UpdateActivityTimes(vrp.getTransportCosts(), vrp.getActivityCosts()));
        stateManager.informInsertionStarts(Arrays.asList(route), null);
        minSlackId = stateManager.createStateId("min-slack-id");
        openJobsId = stateManager.createStateId("open-jobs-id");
        // Map<String,Double> maxTimes = new HashMap<>();
        // maxTimes.put("s",40d);
        // maxTimes.put("shipment",20d);
        maxTimeInVehicleConstraint = new UpdateMaxTimeInVehicle(stateManager, minSlackId, vrp.getTransportCosts(), vrp.getActivityCosts(), openJobsId);
        maxTimeInVehicleConstraint.setVehiclesToUpdate(new UpdateVehicleDependentPracticalTimeWindows.VehiclesToUpdate() {

            @Override
            public Collection<Vehicle> get(VehicleRoute route) {
                return Arrays.asList((Vehicle) vehicle, (Vehicle) vehicle2, v);
            }
        });
        stateManager.addStateUpdater(maxTimeInVehicleConstraint);
    }

    // @Test
    // public void testVehicle(){
    // stateManager.informInsertionStarts(Arrays.asList(route), null);
    // for(TourActivity act : route.getActivities()){
    // String jobId = ((TourActivity.JobActivity)act).getJob().getId();
    // if(jobId.equals("s4")){
    // Double slackTime = stateManager.getActivityState(act,route.getVehicle(), minSlackId,Double.class);
    // Assert.assertEquals(40, slackTime, 0.001);
    // }
    // if(jobId.equals("s3")){
    // Double slackTime = stateManager.getActivityState(act,route.getVehicle(), minSlackId,Double.class);
    // Assert.assertEquals(30, slackTime, 0.001);
    // }
    // if(jobId.equals("s2")){
    // Double slackTime = stateManager.getActivityState(act,route.getVehicle(), minSlackId,Double.class);
    // Assert.assertEquals(20, slackTime, 0.001);
    // }
    // if(jobId.equals("s")){
    // Double slackTime = stateManager.getActivityState(act,route.getVehicle(), minSlackId,Double.class);
    // Assert.assertEquals(Double.MAX_VALUE, slackTime, 0.001);
    // }
    // }
    // Double slackTime = stateManager.getRouteState(route,route.getVehicle(), minSlackId,Double.class);
    // Assert.assertNotNull(slackTime);
    // Assert.assertEquals(50,slackTime,0.001);
    // }
    //
    // @Test
    // public void testVehicle2(){
    // stateManager.informInsertionStarts(Arrays.asList(route), null);
    // for(TourActivity act : route.getActivities()){
    // String jobId = ((TourActivity.JobActivity)act).getJob().getId();
    // if(jobId.equals("s4")){
    // Double slackTime = stateManager.getActivityState(act,vehicle2, minSlackId,Double.class);
    // Assert.assertEquals(40, slackTime, 0.001);
    // }
    // if(jobId.equals("s3")){
    // Double slackTime = stateManager.getActivityState(act,vehicle2, minSlackId,Double.class);
    // Assert.assertEquals(30, slackTime, 0.001);
    // }
    // if(jobId.equals("s2")){
    // Double slackTime = stateManager.getActivityState(act,vehicle2, minSlackId,Double.class);
    // Assert.assertEquals(20, slackTime, 0.001);
    // }
    // if(jobId.equals("s")){
    // Double slackTime = stateManager.getActivityState(act,vehicle2, minSlackId,Double.class);
    // Assert.assertEquals(Double.MAX_VALUE, slackTime, 0.001);
    // }
    // }
    // Double slackTime = stateManager.getRouteState(route,vehicle2, minSlackId,Double.class);
    // Assert.assertNotNull(slackTime);
    // Assert.assertEquals(40,slackTime,0.001);
    // }
    @Test
    @DisplayName("Test With Shipment")
    void testWithShipment() {
        stateManager.informInsertionStarts(Arrays.asList(route2), null);
        for (TourActivity act : route2.getActivities()) {
            String jobId = ((TourActivity.JobActivity) act).getJob().getId();
            if (jobId.equals("d1")) {
                Double slackTime = stateManager.getActivityState(act, v, minSlackId, Double.class);
                Assertions.assertEquals(Double.MAX_VALUE, slackTime, 0.001);
            }
            if (jobId.equals("shipment")) {
                if (act instanceof PickupActivity) {
                    Double slackTime = stateManager.getActivityState(act, v, minSlackId, Double.class);
                    Assertions.assertEquals(Double.MAX_VALUE, slackTime, 0.001);
                } else {
                    Double slackTime = stateManager.getActivityState(act, v, minSlackId, Double.class);
                    Assertions.assertEquals(0, slackTime, 0.001);
                }
            }
        }
    }
}
